Specification - Emerson PACSystems RSTi User Manual

User Manual
GFK-2745C
5.15.2

Specification

The following table describes the Output Specifications and the General Specifications for
ST-2748.
Table 84: ST-2748 Output and General Specifications
Items
Output Specification
Outputs Per Module
Indicators
Relay type
Output Range
Minimum Load
Maximum On-state Voltage Drop
Off-State Leakage Current
Output Delay Time
Initial Contact Res.
Expected Contact Life
Common Type
General Specification
Power Dissipation
Isolation
Field Power
Wiring
Weight
Module Size
Environment Condition
Discrete Output
Specification
8 Points
8 Green Output States, 1 Green/Red RSTi Bus State
Form A, normally Open(N.O.)
Single Pole, Single Throw(SPST)
5~28.8Vdc @ 2.0A Resistive
48Vdc @ 0.8A Resistive
110Vdc @ 0.5A Resistive
240Vac @ 2.0A Resistive
100uA, 100mVdc Per Point
0.5V @ 2.0A, Resistive Load, 24Vdc
Maximum 1.5mA
On to Off: Maximum 10ms, Off to On: Maximum 10ms
20mΩ
300K Cycles Resistive
1 Points/1 COM (Single Common)
Maximum 235mA @ 5.0Vdc
I/O to Logic: Relay Coil/Contact isolation
1250Vrms tested
No Connection with Field Power, through Field Power passes
to the next module
I/O Cable Maximum 2.0mm² (AWG 14)
200g
12mm x 99mm x 70mm
See "Environmental Specifications" in Appendix A.
Chapter 5
Nov 2019
97